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Wyszukujesz frazę "Schneider, R." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Cryocrystallography of Biological Macromolecules
Autorzy:
Schneider, Th. R.
Powiązania:
https://bibliotekanauki.pl/articles/1963363.pdf
Data publikacji:
1997-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.10.Nz
Opis:
X-ray diffraction experiments on crystals of biological macromolecules, especially when carried out on highly intense synchrotron beam lines, frequently suffer from radiation damage. Performing such experiments at cryogenic temperatures virtually eliminates radiation damage thus producing higher quality diffraction data and often making previously intractable problems feasible. In the following article the most important experimental aspects of low temperature diffraction experiments on macromolecular crystals will be discussed.
Źródło:
Acta Physica Polonica A; 1997, 91, 4; 739-744
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy-Loss of Positrons in Foils
Autorzy:
Schneider, H.
Tobehn, I.
Rückert, M.
Brinkmann, U.
Hippler, R.
Powiązania:
https://bibliotekanauki.pl/articles/1929110.pdf
Data publikacji:
1993-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
07.77.+p
29.25.-t
34.80.Dp
Opis:
The Giessen slow positron source TEPOS delivers intense beams in the energy range between some eV and 6 keV; with postacceleration up to 80 keV. Results for remoderation are described shortly. Further the energy-losses of positrons with incident energy of 6-20 keV through thin aluminium foils were measured. Cross sections for K- and L-shell ionization of thin silver and gold targets by positron and electron impact have been determined at projectile energies of 30-70 keV. The experimental results are presented in detail; they are confirmed by calculations in plane-wave-Born approximation which include an electron exchange term and account for the deceleration or acceleration of the incident projectile in the nuclear field of the target atom.
Źródło:
Acta Physica Polonica A; 1993, 83, 3; 375-380
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pulsed Power and Power Conditioning Capacitors
Autorzy:
Macdougall, F.
Jow, T.
Ennis, J.
Yang, X.
Yen, S.
Cooper, R.
Gilbert, J.
Schneider, M.
Naruo, C.
Bates, J.
Powiązania:
https://bibliotekanauki.pl/articles/1807873.pdf
Data publikacji:
2009-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
84.32.Tt
84.60.Ve
Opis:
A capacitor development effort focused on capacitors used in pulsed power and power conversion applications underwent at General Atomics Electronic Systems Inc. (GA-ESI) for decades. In recent years, funding for these efforts has accelerated the rate of development progress to the point where the time it takes to decrease the size of a capacitor by half has dropped from 10 years to 4 years. This progress made in pulsed power and power conversion capacitors will be described along with the performance characteristics of today's capacitors.
Źródło:
Acta Physica Polonica A; 2009, 115, 6; 989-991
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Refurbished Z Facility: Capabilities and Recent Experiments
Autorzy:
Matzen, M.
Atherton, B.
Cuneo, M.
Donovan, G.
Hall, C.
Herrmann, M.
Kiefer, M.
Leeper, R.
Leifeste, G.
Long, F.
Mckee, G.
Mehlhorn, T.
Porter, J.
Schneider, L.
Struve, K.
Stygar, W.
Weinbrecht, E.
Powiązania:
https://bibliotekanauki.pl/articles/1807851.pdf
Data publikacji:
2009-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
52.58.Lq
52.59.Qy
64.60.A-
81.30.Bx
Opis:
The Z Refurbishment Project was completed in September 2007. Prior to the shutdown of the Z facility in July 2006 to install the new hardware, it provided currents of ≤ 20 MA to produce energetic, intense X-ray sources ( ≈1.6 MJ, > 200 TW) for performing high energy density science experiments and to produce high magnetic fields and pressures for performing dynamic material property experiments. The refurbishment project doubled the stored energy within the existing tank structure and replaced older components with modern, conventional technology and systems that were designed to drive both short-pulse Z-pinch implosions and long-pulse dynamic material property experiments. The project goals were to increase the delivered current for additional performance capability, improve overall precision and pulse shape flexibility for better reproducibility and data quality, and provide the capacity to perform more shots. Experiments over the past year have been devoted to bringing the facility up to full operating capabilities and implementing a refurbished suite of diagnostics. In addition, we have enhanced our X-ray backlighting diagnostics through the addition of a two-frame capability to the Z-Beamlet system and the addition of a high power laser (Z-Petawatt). In this paper, we will summarize the changes made to the Z facility, highlight the new capabilities, and discuss the results of some of the early experiments.
Źródło:
Acta Physica Polonica A; 2009, 115, 6; 956-958
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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